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Image sensor and electronic camera

專利號
US11039093B2
公開日期
2021-06-15
申請人
NIKON CORPORATION（JP Tokyo）
發(fā)明人
Atsushi Komai
IPC分類
H04N5/347; H04N5/374
技術領域
pixel,signal,pixels,vertical,unit,vl1,in,vl2,first,electric
地域： Tokyo

摘要

An image sensor, includes: a plurality of pixels arranged along a first direction, each of which includes a photoelectric conversion unit that generates an electric charge through photoelectric conversion of light, and outputs a signal generated based upon the electric charge generated in the photoelectric conversion unit; a first signal line to which signals from one or more pixels among the plurality of pixels are output; a second signal line to which a signal from another pixel among the plurality of pixels is output; and an arithmetic unit that executes an arithmetic operation with a signal generated by combining the signals from the one or more pixels output to the first signal line and the signal output to the second signal line.

說明書

While one photoelectric conversion unit is disposed in each pixel in the embodiments described above, a different pixel structure may be adopted and pixels may each include two or more photoelectric conversion units. In such a case, the image sensor 3 will add together signals from at least two photoelectric units among the plurality of photoelectric conversion units and individually and separately read out the pixel signals from all the pixels 10 in the first control mode. In the second control mode, the image sensor 3 will read out signals, each generated by combining signals from a plurality of pixels 10 disposed consecutively along, for instance, the column direction.

FIG. 10 is a circuit diagram illustrating part of the structure adopted in the image sensor 3 according to variations 1. A pixel 10 includes a first photoelectric conversion unit 11a, a second photoelectric conversion unit 11b, a first transfer unit 12a, a second transfer unit 12b, a first reset unit 13a, a second reset unit 13b, a first FD 14a and a second FD 14b. The pixel 10 further includes a first amplifier unit 15a, a second amplifier unit 15b, a first selection unit 16, a second selection unit 17, an addition switch unit 18 and a coupling switch unit 19.

權利要求

1
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